Note 22 — THE JOURNAL OF SPECULATIVE PHILOSOPHY. Vol. I. 1867. No. 4.
Reading edition
According to the foregoing experiments, it is at least not impossible to regard the phenomena of light and those of electricity as one, since in the prismatic spectrum the colors may at least be considered as opposites, and the white light, which regularly falls in the middle, be regarded as the indifference-point; and for reasons of analogy one is tempted to consider this construction of the phenomena of light as the real one.—Remark of the Original.